00467naa#a2200181#i#450# EN\\bibl\74306 20251214192203.7 2413-046X 20170825b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Маркетинг. 339.138 ENG Stepanov Georgiy Vladislavovich ecience.ru